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Ebstein's anomaly is a congenital heart defect in which the septal and posterior leaflets of the tricuspid valve are displaced downwards towards the apex of the right ventricle of the heart. [1] EA has great anatomical heterogeneity that generates a wide spectrum of clinical features at presentation and is complicated by the fact that the ...
The human skin consists of two layers: an outermost layer called the epidermis and a layer underneath called the dermis. In individuals with healthy skin, there are protein anchors between these two layers ( dermo-epidermal junction ) that prevent them from moving independently from one another (shearing).
Epidermolysis bullosa dystrophica or dystrophic EB (DEB) is an inherited disease affecting the skin and other organs. [1] [2] "Butterfly child" is the colloquial name for children born with the disease, as their skin is seen to be as delicate and fragile as the wings of a butterfly. [3]
Epidermolysis bullosa simplex is caused by genetic mutations that prevent the proper formation of protein structures in the skin’s epidermis. The proteins of the outer epidermis do not bond properly with those of the inner dermis layer (dermal-epidermal junction).
The actual skin colour of different humans is affected by many substances, although the single most important substance determining human skin colour is the pigment melanin. Melanin is produced within the skin in cells called melanocytes and it is the main determinant of the skin colour of darker-skinned humans.
About 5.4 million basal and squamous cell cancers (the two most common types of skin cancer) are diagnosed each year in the U.S., and about 80% of those are basal cell cancers, the American Cancer ...
The cells in the stratum granulosum do not divide, but instead form skin cells called keratinocytes from the granules of keratin. These skin cells finally become the cornified layer ( stratum corneum ), the outermost epidermal layer, where the cells become flattened sacks with their nuclei located at one end of the cell.
Toasted skin syndrome happens due to repeated exposure to moderate heat, but can also occur from infrared radiation, notes Jones. Common heat sources include heating pads, laptop computers, heated ...